| editor-data-class% : class? | 
superclass: object%  | 
Creates a (useless) instance.
(send an-editor-data-class get-classname) → string? 
Gets the name of the class. Names starting with wx are reserved for
internal use.
(send an-editor-data-class read f) → (or/c (is-a?/c editor-data%) false/c) f : (is-a?/c editor-stream-in%) 
Reads a new data object from the given stream, returning #f if
 there is an error.
(send an-editor-data-class set-classname v) → void? v : string? 
Sets the name of the class. Names starting with wx are
 reserved for internal use.
An editor data class name should usually have the form "(lib\n ...)"  to enable on-demand loading of the class; see
 Editor Data for details.